I have rich experience to iOS/Android app development. I have developed many iOS/Android apps for 10 years. Social networking app, GPS location app, Video calling app, Chatting app, Dating app, Video/Photo uploading app and Shopping app. I also have much experiences in backend development with PHP, MySQL, RESTful API, JSON/XML and social media integration such as Facebook, Twitter, Instagram and GPS, Payment Gateway APIs, eCommerce platforms and etc.